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The K a band (pronounced as either "kay-ay band" or "ka band") is a portion of the microwave part of the electromagnetic spectrum. The designation "K a-band" is from Kurz-above, which stems from the German word kurz, meaning "short". [1] There is no standard definition of Ka-band.
The IEEE K-band is a portion of the radio spectrum in the microwave range of frequencies from 18 to 27 gigahertz (GHz). The range of frequencies in the center of the K-band between 18 and 26.5 GHz are absorbed by water vapor in the atmosphere due to its resonance peak at 22.24 GHz, 1.35 cm (0.53 in).
On October 23, 2010, the band represented Korea and performed at the 7th annual Asia Song Festival, organized by Korea Foundation for International Culture Exchange (KOFICE), at the Seoul Olympic Stadium. [68] Their debut Japanese album, Girl's Talk, was released on November 24, 2010.
In 2012, Honeywell announced it would provide Inmarsat with the hardware for its GX Ka-band in-flight connectivity network. The Ka-band (pronounced either "kay-ay band" or "ka band") is a portion of the microwave part of the electromagnetic spectrum defined as frequencies in the range 27.5 to 31 gigahertz (GHz).
The K u band (/ ˌ k eɪ ˈ j uː /) is the portion of the electromagnetic spectrum in the microwave range of frequencies from 12 to 18 gigahertz (GHz). The symbol is short for "K-under" (originally German: Kurz-unten), because it is the lower part of the original NATO K band, which was split into three bands (K u, K, and K a) because of the presence of the atmospheric water vapor resonance ...
K a band, a microwave band; K a, the absorption rate constant of a drug; K a, number of non-synonymous substitutions at a DNA site, used in K a /K s ratio; Ka tree, Terminalia carolinensis; kiloannum or kiloannus (ka), a unit of time equal to one thousand (10 3) years; Keepalive, a computer network message; Kiloampere (kA), a unit of electric ...
It is a Ka-band phased-array antenna that is much smaller than traditional designs for antennas that operate at 17–30 GHz. The antenna will be ~30 cm (12 in) in width and is expected to support up to 400 megabits per second of data bandwidth at less than 20% of the cost of traditional state-of-the-art flat-panel antennas. [13]
Its first Ka-band HTS satellite, Kacific1, was designed and built by Boeing and launched into geostationary orbit atop a SpaceX Falcon 9 launch vehicle on 16 December 2019. [ 2 ] Kacific Broadband Satellites Group